EP1881967A1 - Composes benzo(d)isoaxol-3-yl-amine substitues utilises comme analgesiques - Google Patents
Composes benzo(d)isoaxol-3-yl-amine substitues utilises comme analgesiquesInfo
- Publication number
- EP1881967A1 EP1881967A1 EP06753695A EP06753695A EP1881967A1 EP 1881967 A1 EP1881967 A1 EP 1881967A1 EP 06753695 A EP06753695 A EP 06753695A EP 06753695 A EP06753695 A EP 06753695A EP 1881967 A1 EP1881967 A1 EP 1881967A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- benzo
- isoxazol
- phenyl
- thiourea
- benzyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- NLMVYUBGWZWUGB-UHFFFAOYSA-N 1,2-benzoxazol-3-amine Chemical class C1=CC=C2C(N)=NOC2=C1 NLMVYUBGWZWUGB-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229940035676 analgesics Drugs 0.000 title description 2
- 239000000730 antalgic agent Substances 0.000 title description 2
- 150000001875 compounds Chemical class 0.000 claims abstract description 51
- 239000003814 drug Substances 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- -1 monosubstituted aliphatic radical Chemical class 0.000 claims description 348
- 125000000217 alkyl group Chemical group 0.000 claims description 117
- 125000002947 alkylene group Chemical group 0.000 claims description 48
- 239000000460 chlorine Substances 0.000 claims description 43
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 37
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 36
- 229910052731 fluorine Inorganic materials 0.000 claims description 35
- 150000003254 radicals Chemical class 0.000 claims description 34
- 229920006395 saturated elastomer Polymers 0.000 claims description 34
- 125000002950 monocyclic group Chemical group 0.000 claims description 33
- 150000003839 salts Chemical class 0.000 claims description 32
- 125000001424 substituent group Chemical group 0.000 claims description 32
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 26
- 208000002193 Pain Diseases 0.000 claims description 25
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 24
- 125000001544 thienyl group Chemical group 0.000 claims description 23
- 239000002585 base Substances 0.000 claims description 22
- 125000005842 heteroatom Chemical group 0.000 claims description 22
- 229910004013 NO 2 Inorganic materials 0.000 claims description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 20
- 125000003118 aryl group Chemical group 0.000 claims description 19
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 18
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 claims description 18
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 18
- 125000005418 aryl aryl group Chemical group 0.000 claims description 18
- 229910052801 chlorine Inorganic materials 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 18
- 125000003342 alkenyl group Chemical group 0.000 claims description 16
- 229910052794 bromium Inorganic materials 0.000 claims description 16
- 125000001072 heteroaryl group Chemical group 0.000 claims description 16
- 125000000592 heterocycloalkyl group Chemical group 0.000 claims description 15
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 claims description 14
- 125000000304 alkynyl group Chemical group 0.000 claims description 14
- AQRLNPVMDITEJU-UHFFFAOYSA-N triethylsilane Chemical compound CC[SiH](CC)CC AQRLNPVMDITEJU-UHFFFAOYSA-N 0.000 claims description 14
- 125000002541 furyl group Chemical group 0.000 claims description 13
- 125000004076 pyridyl group Chemical group 0.000 claims description 13
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 claims description 12
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 claims description 12
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 12
- 125000006552 (C3-C8) cycloalkyl group Chemical group 0.000 claims description 11
- 150000007513 acids Chemical class 0.000 claims description 11
- 229910052740 iodine Inorganic materials 0.000 claims description 11
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 10
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 10
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 claims description 10
- 229910052717 sulfur Inorganic materials 0.000 claims description 10
- 239000011593 sulfur Substances 0.000 claims description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 9
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 9
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 9
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 9
- 125000004284 isoxazol-3-yl group Chemical group [H]C1=C([H])C(*)=NO1 0.000 claims description 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 9
- 208000000094 Chronic Pain Diseases 0.000 claims description 8
- 206010065390 Inflammatory pain Diseases 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229910052987 metal hydride Inorganic materials 0.000 claims description 8
- 208000004296 neuralgia Diseases 0.000 claims description 8
- 208000021722 neuropathic pain Diseases 0.000 claims description 8
- 239000012429 reaction media Substances 0.000 claims description 8
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 claims description 7
- 150000005840 aryl radicals Chemical class 0.000 claims description 7
- 239000000546 pharmaceutical excipient Substances 0.000 claims description 7
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 7
- 208000000112 Myalgia Diseases 0.000 claims description 6
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 claims description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 6
- RRUDCFGSUDOHDG-UHFFFAOYSA-N acetohydroxamic acid Chemical compound CC(O)=NO RRUDCFGSUDOHDG-UHFFFAOYSA-N 0.000 claims description 6
- 125000000051 benzyloxy group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])O* 0.000 claims description 6
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims description 6
- BDAWXSQJJCIFIK-UHFFFAOYSA-N potassium methoxide Chemical compound [K+].[O-]C BDAWXSQJJCIFIK-UHFFFAOYSA-N 0.000 claims description 6
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 claims description 6
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 6
- 125000004343 1-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])(*)C([H])([H])[H] 0.000 claims description 5
- 125000004182 2-chlorophenyl group Chemical group [H]C1=C([H])C(Cl)=C(*)C([H])=C1[H] 0.000 claims description 5
- 125000004172 4-methoxyphenyl group Chemical group [H]C1=C([H])C(OC([H])([H])[H])=C([H])C([H])=C1* 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims description 5
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 claims description 5
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 5
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 5
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 5
- 125000004198 2-fluorophenyl group Chemical group [H]C1=C([H])C(F)=C(*)C([H])=C1[H] 0.000 claims description 4
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 claims description 4
- 125000003762 3,4-dimethoxyphenyl group Chemical group [H]C1=C([H])C(OC([H])([H])[H])=C(OC([H])([H])[H])C([H])=C1* 0.000 claims description 4
- 125000004207 3-methoxyphenyl group Chemical group [H]C1=C([H])C(*)=C([H])C(OC([H])([H])[H])=C1[H] 0.000 claims description 4
- 125000004199 4-trifluoromethylphenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C(F)(F)F 0.000 claims description 4
- 208000019901 Anxiety disease Diseases 0.000 claims description 4
- 208000019695 Migraine disease Diseases 0.000 claims description 4
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 claims description 4
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 4
- 206010046543 Urinary incontinence Diseases 0.000 claims description 4
- 150000001340 alkali metals Chemical class 0.000 claims description 4
- 125000004450 alkenylene group Chemical group 0.000 claims description 4
- 125000004419 alkynylene group Chemical group 0.000 claims description 4
- 230000036506 anxiety Effects 0.000 claims description 4
- 206010015037 epilepsy Diseases 0.000 claims description 4
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims description 4
- 150000002540 isothiocyanates Chemical class 0.000 claims description 4
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 4
- 206010027599 migraine Diseases 0.000 claims description 4
- 125000003261 o-tolyl group Chemical group [H]C1=C([H])C(*)=C(C([H])=C1[H])C([H])([H])[H] 0.000 claims description 4
- NTTOTNSKUYCDAV-UHFFFAOYSA-N potassium hydride Chemical compound [KH] NTTOTNSKUYCDAV-UHFFFAOYSA-N 0.000 claims description 4
- 229910000105 potassium hydride Inorganic materials 0.000 claims description 4
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000012312 sodium hydride Substances 0.000 claims description 4
- 229910000104 sodium hydride Inorganic materials 0.000 claims description 4
- 239000012453 solvate Substances 0.000 claims description 4
- MUIBBCGUWIOOTC-UHFFFAOYSA-N 1-(5-bromo-1,2-benzoxazol-3-yl)-3-[4-(dimethylamino)phenyl]thiourea Chemical compound C1=CC(N(C)C)=CC=C1NC(=S)NC1=NOC2=CC=C(Br)C=C12 MUIBBCGUWIOOTC-UHFFFAOYSA-N 0.000 claims description 3
- 125000001637 1-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C(*)=C([H])C([H])=C([H])C2=C1[H] 0.000 claims description 3
- 125000004793 2,2,2-trifluoroethoxy group Chemical group FC(CO*)(F)F 0.000 claims description 3
- 125000004200 2-methoxyethyl group Chemical group [H]C([H])([H])OC([H])([H])C([H])([H])* 0.000 claims description 3
- 125000004204 2-methoxyphenyl group Chemical group [H]C1=C([H])C(*)=C(OC([H])([H])[H])C([H])=C1[H] 0.000 claims description 3
- 125000005809 3,4,5-trimethoxyphenyl group Chemical group [H]C1=C(OC([H])([H])[H])C(OC([H])([H])[H])=C(OC([H])([H])[H])C([H])=C1* 0.000 claims description 3
- 125000004179 3-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C(Cl)=C1[H] 0.000 claims description 3
- USKPHYOSKQOALG-UHFFFAOYSA-N 3-n-[(4-methoxy-3-methylphenyl)methyl]-1,2-benzoxazole-3,4-diamine Chemical compound C1=C(C)C(OC)=CC=C1CNC1=NOC2=CC=CC(N)=C12 USKPHYOSKQOALG-UHFFFAOYSA-N 0.000 claims description 3
- 125000006283 4-chlorobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1Cl)C([H])([H])* 0.000 claims description 3
- 125000004176 4-fluorobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1F)C([H])([H])* 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- 208000005298 acute pain Diseases 0.000 claims description 3
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 3
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 claims description 3
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 claims description 3
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 3
- 125000001624 naphthyl group Chemical group 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- FTNJQNQLEGKTGD-UHFFFAOYSA-N 1,3-benzodioxole Chemical compound C1=CC=C2OCOC2=C1 FTNJQNQLEGKTGD-UHFFFAOYSA-N 0.000 claims description 2
- YLTXIYYAJBMQDG-UHFFFAOYSA-N 1-(1,2-benzoxazol-3-yl)-3-(3-methoxypropyl)thiourea Chemical compound C1=CC=C2C(NC(=S)NCCCOC)=NOC2=C1 YLTXIYYAJBMQDG-UHFFFAOYSA-N 0.000 claims description 2
- URMUVPNMYYWKMN-UHFFFAOYSA-N 1-(1,2-benzoxazol-3-yl)-3-[4-(trifluoromethyl)phenyl]thiourea Chemical compound C1=CC(C(F)(F)F)=CC=C1NC(=S)NC1=NOC2=CC=CC=C12 URMUVPNMYYWKMN-UHFFFAOYSA-N 0.000 claims description 2
- YXVMXMIVAJFXAO-UHFFFAOYSA-N 1-(1,3-benzodioxol-5-ylmethyl)-3-[4-(2,2,2-trifluoroethoxy)-1,2-benzoxazol-3-yl]thiourea Chemical compound C1=C2OCOC2=CC(CNC(=S)NC2=NOC=3C=CC=C(C2=3)OCC(F)(F)F)=C1 YXVMXMIVAJFXAO-UHFFFAOYSA-N 0.000 claims description 2
- PKZXBKCZHPJAKH-UHFFFAOYSA-N 1-(2-chloro-6-methylphenyl)-3-(6-fluoro-1,2-benzoxazol-3-yl)thiourea Chemical compound CC1=CC=CC(Cl)=C1NC(=S)NC1=NOC2=CC(F)=CC=C12 PKZXBKCZHPJAKH-UHFFFAOYSA-N 0.000 claims description 2
- VIRBPCYYIWDXFR-UHFFFAOYSA-N 1-(7-fluoro-1,2-benzoxazol-3-yl)-3-(3-morpholin-4-ylpropyl)thiourea Chemical compound N=1OC=2C(F)=CC=CC=2C=1NC(=S)NCCCN1CCOCC1 VIRBPCYYIWDXFR-UHFFFAOYSA-N 0.000 claims description 2
- PFZAKLRLKDIFMF-UHFFFAOYSA-N 1-(7-fluoro-1,2-benzoxazol-3-yl)-3-(4-methylphenyl)thiourea Chemical compound C1=CC(C)=CC=C1NC(=S)NC1=NOC2=C(F)C=CC=C12 PFZAKLRLKDIFMF-UHFFFAOYSA-N 0.000 claims description 2
- OLIMWHFTQGIGOI-UHFFFAOYSA-N 1-[4-(4-propylcyclohexyl)phenyl]-3-[4-(2,2,2-trifluoroethoxy)-1,2-benzoxazol-3-yl]thiourea Chemical compound C1CC(CCC)CCC1C(C=C1)=CC=C1NC(=S)NC1=NOC2=CC=CC(OCC(F)(F)F)=C12 OLIMWHFTQGIGOI-UHFFFAOYSA-N 0.000 claims description 2
- YCXQYIQVUPGYAM-UHFFFAOYSA-N 1-[4-(dimethylamino)-1,2-benzoxazol-3-yl]-3-(3-methylsulfanylphenyl)thiourea Chemical compound CSC1=CC=CC(NC(=S)NC=2C3=C(N(C)C)C=CC=C3ON=2)=C1 YCXQYIQVUPGYAM-UHFFFAOYSA-N 0.000 claims description 2
- QUFSFGOKTZFLDC-UHFFFAOYSA-N 1-[4-(dimethylamino)-1,2-benzoxazol-3-yl]-3-(4-methylphenyl)thiourea Chemical compound C1=2C(N(C)C)=CC=CC=2ON=C1NC(=S)NC1=CC=C(C)C=C1 QUFSFGOKTZFLDC-UHFFFAOYSA-N 0.000 claims description 2
- VOBZKUWLLIBSMU-UHFFFAOYSA-N 1-[4-bromo-2-(trifluoromethyl)phenyl]-3-[4-(2,2,2-trifluoroethoxy)-1,2-benzoxazol-3-yl]thiourea Chemical compound C1=2C(OCC(F)(F)F)=CC=CC=2ON=C1NC(=S)NC1=CC=C(Br)C=C1C(F)(F)F VOBZKUWLLIBSMU-UHFFFAOYSA-N 0.000 claims description 2
- VCLAVOZXALBZSR-UHFFFAOYSA-N 1-cyclopentyl-3-[4-[(4-methylphenyl)methoxy]-1,2-benzoxazol-3-yl]thiourea Chemical compound C1=CC(C)=CC=C1COC1=CC=CC2=C1C(NC(=S)NC1CCCC1)=NO2 VCLAVOZXALBZSR-UHFFFAOYSA-N 0.000 claims description 2
- CGMMPMYKMDITEA-UHFFFAOYSA-M 2-ethylbenzoate Chemical compound CCC1=CC=CC=C1C([O-])=O CGMMPMYKMDITEA-UHFFFAOYSA-M 0.000 claims description 2
- 125000004189 3,4-dichlorophenyl group Chemical group [H]C1=C([H])C(Cl)=C(Cl)C([H])=C1* 0.000 claims description 2
- 125000006305 3-iodophenyl group Chemical group [H]C1=C([H])C(I)=C([H])C(*)=C1[H] 0.000 claims description 2
- LKQBKHHXIYZODA-UHFFFAOYSA-N 3-n-[(3,5-dimethylphenyl)methyl]-1,2-benzoxazole-3,4-diamine Chemical compound CC1=CC(C)=CC(CNC=2C3=C(N)C=CC=C3ON=2)=C1 LKQBKHHXIYZODA-UHFFFAOYSA-N 0.000 claims description 2
- RVVINJHQEHAANC-UHFFFAOYSA-N 3-n-[(3-fluoro-2-methylphenyl)methyl]-4-n,4-n-dimethyl-1,2-benzoxazole-3,4-diamine Chemical compound C1=2C(N(C)C)=CC=CC=2ON=C1NCC1=CC=CC(F)=C1C RVVINJHQEHAANC-UHFFFAOYSA-N 0.000 claims description 2
- MDIFXHVUQLSMDW-UHFFFAOYSA-N 3-n-[(4,5-dimethoxy-2-phenylmethoxyphenyl)methyl]-4-n,4-n-dimethyl-1,2-benzoxazole-3,4-diamine Chemical compound C1=C(OC)C(OC)=CC(CNC=2C3=C(N(C)C)C=CC=C3ON=2)=C1OCC1=CC=CC=C1 MDIFXHVUQLSMDW-UHFFFAOYSA-N 0.000 claims description 2
- BXUCTFJYUBBUAR-UHFFFAOYSA-N 3-n-[[2-chloro-3-(trifluoromethyl)phenyl]methyl]-4-n,4-n-dimethyl-1,2-benzoxazole-3,4-diamine Chemical compound C1=2C(N(C)C)=CC=CC=2ON=C1NCC1=CC=CC(C(F)(F)F)=C1Cl BXUCTFJYUBBUAR-UHFFFAOYSA-N 0.000 claims description 2
- CSSBJEJGIULWSV-UHFFFAOYSA-N 3-n-[[2-fluoro-5-(trifluoromethyl)phenyl]methyl]-4-n,4-n-dimethyl-1,2-benzoxazole-3,4-diamine Chemical compound C1=2C(N(C)C)=CC=CC=2ON=C1NCC1=CC(C(F)(F)F)=CC=C1F CSSBJEJGIULWSV-UHFFFAOYSA-N 0.000 claims description 2
- 125000003349 3-pyridyl group Chemical group N1=C([H])C([*])=C([H])C([H])=C1[H] 0.000 claims description 2
- ZQVKTHRQIXSMGY-UHFFFAOYSA-M 4-ethylbenzoate Chemical compound CCC1=CC=C(C([O-])=O)C=C1 ZQVKTHRQIXSMGY-UHFFFAOYSA-M 0.000 claims description 2
- HVCNXQOWACZAFN-UHFFFAOYSA-N 4-ethylmorpholine Chemical compound CCN1CCOCC1 HVCNXQOWACZAFN-UHFFFAOYSA-N 0.000 claims description 2
- 125000004860 4-ethylphenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000004203 4-hydroxyphenyl group Chemical group [H]OC1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- QJNLUNBGDFUULX-UHFFFAOYSA-N 4-n,4-n'-dimethyl-3h-pyridine-4,4-diamine Chemical compound CNC1(NC)CC=NC=C1 QJNLUNBGDFUULX-UHFFFAOYSA-N 0.000 claims description 2
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- FZIPYNKQOPXXLS-UHFFFAOYSA-N n-[[4-(trifluoromethoxy)phenyl]methyl]-1,2-benzoxazol-3-amine Chemical compound C1=CC(OC(F)(F)F)=CC=C1CNC1=NOC2=CC=CC=C12 FZIPYNKQOPXXLS-UHFFFAOYSA-N 0.000 description 1
- SILJKGCTJSPORK-UHFFFAOYSA-N n-[[4-(trifluoromethyl)phenyl]methyl]-1,2-benzoxazol-3-amine Chemical compound C1=CC(C(F)(F)F)=CC=C1CNC1=NOC2=CC=CC=C12 SILJKGCTJSPORK-UHFFFAOYSA-N 0.000 description 1
- GRMLNPXNWHUHJW-UHFFFAOYSA-N n-[[4-(trifluoromethylsulfanyl)phenyl]methyl]-1,2-benzoxazol-3-amine Chemical compound C1=CC(SC(F)(F)F)=CC=C1CNC1=NOC2=CC=CC=C12 GRMLNPXNWHUHJW-UHFFFAOYSA-N 0.000 description 1
- BWPYKGJCTDFMGB-UHFFFAOYSA-N n-butyl-4-(2,2,2-trifluoroethoxy)-1,2-benzoxazol-3-amine Chemical compound C1=CC(OCC(F)(F)F)=C2C(NCCCC)=NOC2=C1 BWPYKGJCTDFMGB-UHFFFAOYSA-N 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 230000008587 neuronal excitability Effects 0.000 description 1
- 230000002981 neuropathic effect Effects 0.000 description 1
- 201000001119 neuropathy Diseases 0.000 description 1
- 230000007823 neuropathy Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003040 nociceptive effect Effects 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 description 1
- 238000012402 patch clamp technique Methods 0.000 description 1
- 230000001991 pathophysiological effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 208000033808 peripheral neuropathy Diseases 0.000 description 1
- 229940124531 pharmaceutical excipient Drugs 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 1
- 125000004193 piperazinyl group Chemical group 0.000 description 1
- 125000003386 piperidinyl group Chemical group 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000013641 positive control Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002953 preparative HPLC Methods 0.000 description 1
- 238000004237 preparative chromatography Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 125000004309 pyranyl group Chemical group O1C(C=CC=C1)* 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000719 pyrrolidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000036390 resting membrane potential Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 235000019204 saccharin Nutrition 0.000 description 1
- CVHZOJJKTDOEJC-UHFFFAOYSA-N saccharin Chemical compound C1=CC=C2C(=O)NS(=O)(=O)C2=C1 CVHZOJJKTDOEJC-UHFFFAOYSA-N 0.000 description 1
- 229940081974 saccharin Drugs 0.000 description 1
- 239000000901 saccharin and its Na,K and Ca salt Substances 0.000 description 1
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000008299 semisolid dosage form Substances 0.000 description 1
- 230000020341 sensory perception of pain Effects 0.000 description 1
- 206010040872 skin infection Diseases 0.000 description 1
- 239000007909 solid dosage form Substances 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
- 239000008223 sterile water Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 235000021092 sugar substitutes Nutrition 0.000 description 1
- 239000000829 suppository Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 125000003718 tetrahydrofuranyl group Chemical group 0.000 description 1
- 125000001412 tetrahydropyranyl group Chemical group 0.000 description 1
- 125000003507 tetrahydrothiofenyl group Chemical group 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000004568 thiomorpholinyl group Chemical group 0.000 description 1
- 150000003585 thioureas Chemical class 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- 239000005051 trimethylchlorosilane Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
- C07D413/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D261/00—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings
- C07D261/20—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings condensed with carbocyclic rings or ring systems
Definitions
- the present invention relates to substituted benzo [d] isoxazol-3-yl-amine compounds, processes for their preparation, medicaments containing these compounds and the use of these compounds for the preparation of medicaments.
- K + channels of the molecular subtype KCNQ2 / 3 (Kv7.2 / 7.3) are expressed in neurons of different regions of the central (hippocampus, amygdala) and peripheral (dorsal root ganglia) nervous system and regulate their excitability. Activation of KCNQ2 / 3 K + channels leads to hyperpolarization of the cell membrane and concomitant decrease in the electrical excitability of these neurons.
- KCNQ2 / 3-expressing neurons of the dorsal root ganglia are involved in the transmission of nociceptive excitations from the periphery to the spinal cord (Passmore et al., 2003). Accordingly, the KCNQ2 / 3 agonist retigabine has demonstrated analgesic efficacy in preclinical neuropathy and inflammatory pain models (Blackburn-Munro and Jensen, 2003; Passmore et al., 2003; Dost et al., 2004).
- the KCNQ2 / 3 K + channel thus provides a suitable starting point for the treatment of pain; especially from pain selected from the group consisting of chronic pain, neuropathic pain, inflammatory pain and muscular pain (Nielsen et al., 2004), in particular neuropathic and inflammatory pain.
- the KCNQ2 / 3 K + channel is a suitable target for the therapy of a variety of other diseases such as migraine (US2002 / 0128277), cognitive disorders (Gribkoff, 2003), anxiety (Korsgaard et al., 2005), epilepsy (Wickenden et al., 2004), and urinary incontinence (Streng et al., 2004).
- substituted benzo [d] isoxazol-3-yl-amine compounds of the general formula I given below are suitable for the treatment of pain and also have an excellent affinity for the KCNQ2 / 3K + channel and are therefore suitable for treatment of disorders or diseases mediated, at least in part, by KCNQ2 / 3K + channels.
- R 1 , R 2 , R 3 and R 4 independently of one another, are each for
- heteroatom ring member having cycloaliphatic radical which condenses with a mono- or polycyclic ring system and / or bonded via a linear or branched alkylene, alkenylene or alkynylene group can be;
- aryl or heteroaryl radical which may be condensed with a monocyclic or polycyclic ring system and / or bonded via a linear or branched alkylene, alkenylene or alkynylene group,
- R 7 and R 8 independently of one another, each for
- R 15 or represent a linear or branched, saturated or unsaturated, unsubstituted or at least monosubstituted aliphatic radical, or
- R 7 and R 8 together with the nitrogen atom connecting them form a saturated or unsaturated, unsubstituted or at least monosubstituted, optionally at least one further heteroatom ring member having heterocycloaliphatic radical,
- R 9 , R 10 , R 11 and R 16 are each independently, for
- ring member having cycloaliphatic radical which may be condensed with a mono- or polycyclic ring system and / or bound via a linear or branched alkylene group;
- R 12 and R 13 independently of each other, each for H or a linear or branched, saturated or unsaturated, unsubstituted or at least monosubstituted aliphatic radical, or
- R 12 and R 13 together with the nitrogen atom connecting them form a saturated or unsaturated, unsubstituted or at least monosubstituted, optionally at least one further heteroatom ring member having heterocycloaliphatic radical,
- a cycloaliphatic radical having a mono- or polycyclic ring system and / or being bonded via a linear or branched alkylene group
- R 21 and R 22 are each independently H
- a cycloaliphatic radical having a mono- or polycyclic ring system and / or being bonded via a linear or branched alkylene group
- (hetero) cycloaliphatic radicals which may be mentioned are cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, cyclopentenyl, cyclohexenyl, cycloheptenyl, imidazolidinyl, tetrahydrofuranyl, tetrahydrothiophenyl, pyrrolidinyl, piperidinyl, morpholinyl, piperazinyl, thiomorpholinyl, tetrahydropyranyl, azepanyl, diazepanyl and dithiolanyl ,
- a monocyclic or polycyclic ring system is understood to mean monocyclic or polycyclic hydrocarbon radicals which may be saturated or unsaturated and may optionally have 1, 2, 3, 4 or 5 heteroatom (s) as ring member (s) which are independently selected from the group consisting of oxygen, nitrogen and sulfur.
- a mono- or polycyclic ring system may, for example, be condensed (fused) with an aryl radical or a heteroaryl radical.
- a polycyclic ring system such as a bicyclic ring system
- the different rings each independently of one another, can have a different degree of saturation, ie be saturated or unsaturated. Preference is given to a bicyclic ring system.
- aryl radicals which are condensed with a monocyclic or polycyclic ring system are (1,3) -benzodioxolyl and (1,4) -benzodioxanyl.
- the rings of the abovementioned mono- or polycyclic ring systems are each 5-, 6- or 7-membered and may in each case optionally have 1, 2, 3, 4 or 5 heteroatom (s) as ring member (s) which are independent of each other selected from the group consisting of oxygen, nitrogen and sulfur.
- alkyl, -OC ⁇ -Alky !, - NH 2, -NO 2, -0-CF 3, -S-CF 3, -SH, -Sd.g alkyl, -C 1-5 alkyl, - C (O) -OH, -C ( O) -O-Ci -5 - alkyl, -NH-C 1-5 alkyl, -N (C 1-5 alkyl) 2, -O-phenyl, - O-benzyl, phenyl and benzyl be substituted, wherein in each case the cyclic part of the radicals -O-phenyl, -O-benzyl, phenyl and benzyl with 1, 2, 3, 4 or 5 substituents independently selected from the group consisting of F , Cl, Br, -OH, -CF 3, -SF 5, -CN, -NO 2, - Ci -5 alkyl, -O-Ci-s-alkyl, -0-CF 3,
- aryl radicals which may be mentioned are phenyl and naphthyl (comprising 1-naphthyl and 2-naphthyl).
- heteroaryl radicals which may be mentioned are thiophenyl, furanyl, pyrrolyl, pyrazolyl, pyrazinyl, pyranyl, triazolyl, pyridinyl, imidazolyl, indolyl, isoindolyl, benzo [b] furanyl, benzo [b] thiophenyl, thiazolyl, oxazolyl, isoxazolyl, pyridazinyl, pyrazinyl, Pyrimidinyl, indazolyl, quinoxalinyl, quinolinyl and isoquinolinyl.
- the abovementioned aliphatic radicals may preferably have 1-10 or 2-10 carbon atoms in the alkyl moiety and preferably with optionally 1, 2, 3, 4, 5, 6, 7 , 8 or 9 substituents independently of one another selected from the group consisting of F, Cl, Br, I, -CN, -NO 2 , -OH, -NH 2 , -SH, -O (C 1-5 -alkyl), S (Ci-5-alkyl), -NH (C 1-5 alkyl), -N (Ci ⁇ alkyl) (C ⁇ alkyl), - OCF 3 , C ß - ⁇ -cycloalkyl and -SCF 3 substituted be.
- Alkenyl radicals have at least one, preferably 1, 2, 3 or 4 C-C double bonds and alkynyl radicals have at least one, preferably 1, 2, 3 or 4 C-C triple bonds.
- Alkyl radicals are preferably selected from the group consisting of methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, tert-butyl, n-pentyl, sec-pentyl, neo-pentyl and n-hexyl optionally substituted by 1, 2, 3, 4, 5, 6, 7, 8 or 9 substituents independently selected from the group consisting of F, Cl, Br, I, -CN, -NO 2 , -OH, - NH 2 , -SH, -OCH 3 , -O-C 2 H 5 , -SCH 3 , -SC 2 H 5 , -OCF 3 , -SCF 3 , -NH-CH 3 , -N (CHg) 2 , - N (C 2 H 5 J 2 and -N (CH 3 ) (C 2 H 5 ) may be substituted.
- alkenyl radicals selected from the group consisting of vinyl, 1-propenyl, 2-propenyl, 1-butenyl, 2-butenyl, 3-butenyl, 2-methyl-buten-2-yl, 1-pentenyl, 2- Pentenyl, 3-pentenyl and 4-pentenyl optionally with 1, 2 or 3 substituents independently of one another selected from the group consisting of F, Cl, Br, I, -CN, -NO 2 , -OH, -NH 2 , -SH, -OCH 3 , -O-C 2 H 5 , -SCH 3 , -SC 2 H 5 , -OCF 3 , - SCF 3 , -NH-CH 3 , -N (CH 3 ) 2 , -N ( C 2 Hs) 2 and -N (CH 3 ) (C 2 H 5 ) may be substituted.
- alkynyl radicals selected from the group consisting of ethynyl, 1-propynyl, 2-propynyl, 1-butynyl, 2-butynyl and 3-butynyl, optionally with 1, 2 or 3 substituents independently selected from the group consisting of F, Cl, Br, I, -CN, -NO 2 , -OH, -NH 2 , -SH 1 -OCH 3 , -O-C 2 H 5 , -SCH 3 , -SC 2 H 5 , -OCF 3 , -SCF 3 , -NH-CH 3 , -N (CH 3 ) 2 ( -N (C 2 Hg) 2 and -N (CH 3 ) (C 2 H 5 ).
- R 1 , R 2 , R 3 and R 4 independently of one another, are each for
- n 1, 2 or 3, wherein R 6 is H, C 3-8 cycloalkyl or C is -6 alkyl, and R 25 is aryl or heteroaryl
- R 7 and R 8 independently of one another, each for
- R 7 and R 8 together with the nitrogen atom connecting them as ring member, form a radical selected from morpholine, piperidine or pyrrolidine;
- R 12 and R 13 together with the nitrogen atom connecting them as ring member form a radical selected from morpholine, piperidine or pyrrolidine;
- R 21 and R 22, independently of one another, are each H, d.io alkyl, C 2- io alkenyl, C 2- I 0 alkynyl; C 3-8 cycloalkyl; - (Ci- 5 alkylene) -C 3-8 -
- cycloalkyl cycloalkyl; heterocycloalkyl; - (Ci ⁇ -AlkylenJ-heterocycloalkyl; aryl; heteroaryl;
- Ci-io alkyl, C 2- I 0 alkenyl, and C i 0 2- alkynyl radicals are each linear or branched and optionally substituted with 1, 2, 3, 4 or 5 substituents independently selected from the group consisting of F; Cl; Br; COOH; COOC 1-4 alkyl; -CN; -OH; SH; -OC 1-2 alkyl; -S-Ci.
- 2- alkyl and -NH 2 may be substituted,
- C 3-8 -cycloalkyl radicals in each case optionally having 1, 2, 3, 4 or 5 substituents independently of one another selected from the group consisting of F; Cl; Br; -CN; -OH; SH; -C. 5- alkyl; -OC 1-2 alkyl; -SC 1-2 alkyl and -NH 2 may be substituted,
- heterocycloalkyl radicals are each 4-, 5-, 6- or 7-membered, 1 or 2 heteroatoms independently of one another selected from the group consisting of oxygen, sulfur and nitrogen as ring member (s) and optionally with 1, 2, 3, 4 or 5 substituents independently selected from the group consisting of F; Cl; Br; -CN; -OH; SH; -C 1-5 alkyl; -Od.
- 2- alkyl; -SC 1-2 alkyl and -NH 2 may be substituted,
- each of the aforementioned aryl radicals represents a phenyl, anthracenyl or naphthyl radical selected from 1, 2, 3, 4 or 5 substituents independently selected from the group consisting of F; Cl; Br; I; -CF 3 ; -
- OCF 3 ; -SCF 3 ; C ( O) C 1-5 alkyl; ⁇ O->', ⁇ s / 3; NO 2 ; cyclohexyl;
- -C ( O) -OC 1-5 alkyl; -NH 2 ; -N (H) (C 1-5 alkyl); -N (Ci -5 alkyl) (C 1-5 alkyl);
- Thiophenyl (thienyl), furanyl and pyridinyl may be substituted
- n 1, 2 or 3 wherein R 6 is H or C -6 alkyl, and R 25 is aryl or heteroaryl
- R 7 and R 8 independently of one another, each for
- R 7 and R 8 together with the nitrogen atom connecting them as ring member, form a radical selected from morpholine, piperidine or pyrrolidine; R 9 , R 10 independently, each for
- Ci-io alkyl C 2-10 alkenyl, C 2- I 0 alkynyl; C 3 . 8 -cycloalkyl; - (C 1 2 2 ⁇ d er 3 - alkylene) - C 3-8 -cycloalkyl; heterocycloalkyl; - (C 1i 2 oc e r 3 -alkylene) -heterocycloalkyl; aryl; heteroaryl; - ( - (C 1i 2 ⁇ de r 3 -alkylene) heteroaryl;
- the aforementioned d.-io-alkyl, C 2- io-alkenyl and C 2-1 o-alkynyl radicals are each linear or branched and optionally substituted with 1, 2, 3, 4 or 5 substituents selected independently of one another from the group consisting of F; Cl; Br; -CN; COOH; COOC 1-4 alkyl; -OH; SH; -OC 1-2 alkyl; -SC 1-2 alkyl and -NH 2 may be substituted,
- Ci-C4 alkyl, C 2-4 alkenyl and C 2-4 alkynyl radicals are each linear or branched and optionally substituted with 1, 2, 3, 4 or 5 substituents independently selected from the Group consisting of F; Cl; Br; -CN; -OH; -OCH 3 and -NH 2 may be substituted,
- Cs- ⁇ -cycloalkyl radicals in each case optionally having 1, 2, 3, 4 or 5 substituents independently of one another selected from the group consisting of F; Cl; Br; -CN; -OH; -CH 3 ; -C 2 H 5 ; -OCH 3 ; and -NH 2 can be substituted,
- heterocycloalkyl radicals are each 4-, 5-, 6- or 7-membered, 1 or 2 heteroatoms independently selected from the group consisting of oxygen, sulfur and nitrogen as ring member (s) and optionally having 1, 2, 3, 4 or 5 substituents independently selected from the group consisting of F; Cl; Br; -CN; -OH; -CH 3 ; -C 2 H 5 ; -OCH 3 ; and -NH 2 can be substituted,
- each of the aforementioned aryl radicals represents a phenyl, anthracenyl or naphthyl radical selected from 1, 2, 3, 4 or 5 substituents independently selected from the group consisting of F; Cl; Br; -CF 3 ; -
- heteroaryl radicals in each case stand for a furanyl, thienyl (thiophenyl) or pyridinyl radical and optionally with 1, 2, 3, 4 or 5 substituents independently of one another selected from the group consisting of F; Cl; Br; -CF 3 ; -OCF 3 ; -SCF 3 ; -SF 5 ; -CN; -OH; Methyl; ethyl; n-propyl; iso-propyl; n-butyl; iso-butyl; sec-butyl; tert-butyl; methoxy; ethoxy; - NH 2 ; -N (CH 3 ) 2 ; -N (C 2 Hs) 2 ; phenyl; Phenoxy, benzyl; Thiophenyl (thienyl), furanyl and pyridinyl may be substituted,
- n is 1.
- Ci.io-alkyl branched or unbranched, saturated or unsaturated, unsubstituted or substituted with OCH 3 , COOCH 3 or COOC 2 H 5 ; C 3 to C 6 cycloalkyl, where the cycloalkyl group may be linked via a CH 2 group; C 5-6 - heterocycloalkyl wherein the heterocycloalkyl group may be linked via a CH 2 group; stands.
- R 21 is H and R 22 is benzyl, phenyl, 2-methylphenyl, phenethyl, 2-isopropylphenyl, 2-chlorophenyl, 4-fluorobenzyl, 1- (4-fluorophenyl) ethyl, 4-chlorobenzyl, 4 -Chlorophenethyl, 4-nitrophenyl, 4-acetylphenyl, 3-carboxyphenyl, 3-methylbenzoate, 4-ethylbenzoate, 2,6-diethylphenyl, 3-chloro-4-methyl-phenyl, 2-methoxyethyl, 3-methoxypropyl , Cyclopentyl, cyclohexyl, 3-pyridyl, 4-dimethylaminophenyl, 4-diethylaminophenyl, CH 2 COOCH 3 , CH (CH 3 ) COOC 2 H 5 , CH (CH 3 ) CH 2 COOC 2 H
- R 25 is phenyl, anthracenyl, pyridyl, thienyl or furyl, in each case unsubstituted or mono- or polysubstituted by CF 3 , SCF 3 , C 1-4 -alkyl, Cl, NO 2 , O-acetyl, OCH 3 , F, O-phenyl, OCF 3 , Br, O-benzyl, 0-AHyI, phenyl, I, CN or OH, preferably phenyl unsubstituted or substituted with said radicals.
- R 25 is 4-trifluoromethylphenyl, 4-SCF 3 -phenyl, 2-methylphenyl, phenyl, anthracenyl, 4-CI-phenyl, 4-OCF 3 -phenyl, 4-n-butylphenyl, 3 (3-CF 3 -phenoxy) -phenyl, 4-OCHF 2 -phenyl, 3,5-dimethylphenyl, 3-bromo-4-methoxyphenyl, 4-benzyloxy-3,5-dimethylphenyl, 3-nitrophenyl, 3-methoxy 4- (acetylmethyl) -phenyl, 2,4,5-trimethoxyphenyl, 4-ethylphenyl, 3,4-dichlorophenyl, 2,3,5-trifluorophenyl, 4-phenoxyphenyl, 3-chloro-4-fluorophenyl, 3-benzyloxy phenyl, 3-bromo-4,5-dimethoxyphenyl, 3-flu
- Another object of the present invention is a process for the preparation of the substituted benzo [d] isoxazol-3-yl-amine compounds according to the invention, according to which an optionally substituted 2-fluoro-benzonitrile compound of the general formula II,
- radicals R 1 , R 2 , R 3 and R 4 have the abovementioned meaning, in a reaction medium, preferably selected from the group consisting of diethyl ether, tetrahydrofuran, acetonitrile, dimethyl sulfoxide, dimethylformamide and dichloromethane, in the presence of a base, preferably in Presence of at least one alkali metal alcoholate salt, particularly preferably in the presence of an alkali metal alcoholate salt selected from the group consisting of potassium methoxide, sodium methoxide, potassium tert-butoxide and sodium tert-butylate with acethydroxamic acid of the formula III
- radicals R 1 -R 4 have the abovementioned meaning and the radical R 5 is a hydrogen radical, is reacted, this is optionally purified and / or optionally isolated,
- R 1 , R 2 , R 3 , R 4 have the abovementioned meaning
- R 22 is the has the abovementioned meaning
- R 21 is a hydrogen radical, in a reaction medium, preferably selected from the group consisting of acetonitrile, toluene, dimethylformamide, benzene, ethanol, methanol and corresponding mixtures, in the presence of at least one base, preferably in the presence at least a metal hydride salt or a metal alcoholate salt, more preferably in the presence of a metal hydride salt or a metal alcoholate salt selected from the group consisting of sodium hydride, potassium hydride, potassium tert-butoxide, sodium tert-butoxide, potassium methoxide, sodium methoxide, sodium ethoxide and potassium ethoxide, with at least one compound of general formula LG-R 21 ,
- At least one compound of the general formula I in which R 1 , R 2 , R 3 , R 4 have the abovementioned meaning and R 5 is H, in a reaction medium, preferably selected from the group consisting of acetonitrile, toluene, dimethylformamide , Benzene, ethanol, methanol, DCM, trifluoroacetic acid and corresponding mixtures, in the presence of at least one base, preferably in the presence of at least one metal hydride salt or a metal alcoholate salt or triethylsilane, more preferably in the presence of triethylsilane, a metal hydride salt or a metal alcoholate salt selected from the group consisting of Sodium hydride, potassium hydride, potassium tert-butoxide, sodium tert-butoxide, potassium methoxide, sodium methoxide, sodium ethoxide and potassium, with at least one compound of the general formula R 30 C ( O) H or R 6 C (O
- radical R 30 is defined in a particular compound, this means that in this case in structures of the general formula IR 5 is CH 2 R 30 .
- the intermediate and end products obtained according to the above-described reactions can each be purified and / or isolated, if desired and / or required, by customary methods known to those skilled in the art.
- Suitable purification methods are, for example, extraction methods and chromatographic methods, such as column chromatography or preparative chromatography, and HPLC.
- the free bases of the respective substituted benzo [d] isoxazol-3-yl-amine compounds according to the invention can be obtained, for example, by reaction with an inorganic or organic acid, preferably with hydrochloric acid, hydrobromic acid, sulfuric acid, phosphoric acid, methanesulfonic acid, p-toluenesulfonic acid, carbonic acid, formic acid , Acetic, oxalic, maleic, malic, succinic, tartaric, mandelic, fumaric, lactic, citric, glutamic or aspartic acid, into the corresponding salts, preferably physiologically acceptable salts.
- an inorganic or organic acid preferably with hydrochloric acid, hydrobromic acid, sulfuric acid, phosphoric acid, methanesulfonic acid, p-toluenesulfonic acid, carbonic acid, formic acid , Acetic, oxalic, maleic, malic, succinic, tartaric, mandelic,
- the free bases of the respective substituted benzo [d] isoxazol-3-yl-amine compounds of the present invention may also be reacted with the free acid or a salt of a sugar substitute, such as e.g. Saccharin, cyclamate or acesulfame, be converted into the corresponding physiologically acceptable salts.
- a sugar substitute such as e.g. Saccharin, cyclamate or acesulfame
- the free acids of the substituted benzo [d] isoxazol-3-yl-amine compounds according to the invention can be converted into the corresponding physiologically tolerable salts by reaction with a suitable base.
- the substituted benzo [d] isoxazol-3-yl-amine compounds according to the invention may optionally, as well as the corresponding acids, the corresponding bases or salts of these compounds, according to conventional methods known to those skilled in the form of their solvates, preferably in the form their hydrates. If the substituted benzo [d] isoxazol-3-yl-amine compounds according to the invention are obtained in the form of a mixture of their stereoisomers, preferably in the form of their racemates or other mixtures of their different enantiomers and / or diastereomers, these the method known to those skilled in the art are separated and optionally isolated.
- chromatographic separation processes in particular liquid chromatography processes under atmospheric pressure or under elevated pressure, preferably MPLC and HPLC processes, and also fractional crystallization processes.
- individual enantiomers for example by means of HPLC on chiral stationary phase or by crystallization with chiral acids, such as (+) - tartaric acid, (-) - tartaric acid or (+) - 10-camphorsulfonic acid, formed diastereomeric salts are separated.
- substituted benzo [d] isoxazol-3-yl-amine compounds according to the invention and in each case the corresponding acids, bases, salts and solvates are suitable as pharmaceutical active ingredients in medicaments.
- Another object of the present invention is therefore a medicament containing at least one substituted benzo [d] isoxazol-3-yl-amine compound according to the invention and optionally one or more pharmaceutically acceptable excipients.
- medicaments according to the invention are suitable for influencing KCNQ2 / 3 channels and in particular exert an agonistic action.
- the medicaments according to the invention are preferably suitable for the treatment of disorders or diseases which are mediated at least in part by KCNQ2 / 3 channels.
- the medicament of the invention is preferably suitable for the treatment of one or more diseases selected from the group consisting of pain, preferably pain selected from the group consisting of acute pain, chronic pain, neuropathic pain, muscular pain and inflammatory pain, migraine; Epilepsy, anxiety and Urinary incontinence.
- the medicaments according to the invention are particularly preferably suitable for the treatment of pain, very particularly preferably of chronic pain, neuropathic pain, inflammatory pain and muscular pain.
- Another object of the present invention is the use of at least one substituted benzo [d] isoxazol-3-yl-amine compound and optionally one or more pharmaceutically acceptable excipients for the manufacture of a medicament for the treatment of disorders or diseases that at least partially by KCNQ2 / 3 channels are taught.
- Preferred is the use of at least one substituted benzo [d] isoxazol-3-yl-amine compound and optionally one or more pharmaceutically acceptable excipients for the manufacture of a medicament for the treatment of pain, preferably of pain selected from the group consisting of acute pain , chronic pain, neuropathic pain, muscular pain and inflammatory pain; Migraine; Epilepsy, anxiety and urinary incontinence.
- At least one substituted benzo [d] isoxazol-3-yl-amine compound according to the invention and optionally one or more pharmaceutically acceptable excipients for the preparation of a medicament for the treatment of pain, most preferably of chronic pain, neuropathic pain, inflammatory pain and muscular pain.
- the medicament according to the invention can be used as a liquid, semisolid or solid dosage form, for example in the form of injection solutions, drops, juices, syrups, sprays, suspensions, tablets, patches, capsules, patches, suppositories, ointments, creams, lotions, gels, emulsions, aerosols or in multiparticulate form, for example in the form of pellets or granules, optionally compressed into tablets, filled into capsules or suspended in a liquid, are present and as such also administered.
- the pharmaceutical composition according to the invention usually contains further physiologically tolerated pharmaceutical excipients which may be preferably selected from the group consisting of support materials, fillers, solvents, diluents, surfactants, dyes, preservatives, disintegrants, lubricants, lubricants, flavors and binders.
- physiologically acceptable excipients depend on whether the drug is oral, subcutaneous, parenteral, intravenous, intraperitoneal, intradermal, intramuscular, intranasal, buccal, rectal or topical, for example, skin infections, mucous membranes and on the eyes, to be applied.
- Preparations in the form of tablets, dragees, capsules, granules, pellets, drops, juices and syrups are preferred for oral administration, solutions, suspensions, readily reconstitutable dry preparations and sprays for parenteral, topical and inhalative administration.
- the substituted benzo [d] isoxazol-3-yl-amine compounds used in the medicament according to the invention can be present in a depot, in dissolved form or in a plaster, optionally with the addition of skin penetration-promoting agents, as suitable percutaneous administration preparations. Orally or percutaneously applicable preparation forms, the respective substituted benzo [d] isoxazol-3-yl-amine compound according to the invention can also release delayed.
- compositions of the present invention are prepared by conventional means, devices, methods and methods known in the art, as described, for example, in "Remington's Pharmaceutical Sciences", by AR Gennaro, 17th Ed., Mack Publishing Company, Easton, Pa , 1985, especially in part 8, chapters 76 to 93. The corresponding description is hereby incorporated by reference and is considered part of the disclosure.
- the amount of the respective substituted benzo [d] isoxazol-3-yl-amine compound of the invention to be administered to the patient may vary and depends, for example, on the weight or age of the patient as well as on the mode of administration, the indication and the severity of the disease. Usually 0.005 to 100 mg / kg, preferably 0.05 to 75 mg / kg of body weight of the patient of at least one such compound of the invention is administered.
- the backbone of the benzisoxazoles according to the invention was prepared analogously to the instructions of Palermo (M.G. Palermo, Tetrahedron Lett., 1996, 37, 17, 2885-2886). The corresponding description is hereby incorporated by reference and thus forms part of the present disclosure. Notwithstanding the above provision, the purification of the benzisoxazole compounds takes place in part by precipitating the corresponding HCl salt.
- Acethydroxamic acid (1.1 equivalents) in DMF (1.45 ml / mmol acethydroxamic acid) was suspended in a three-necked flask. Under inert gas, potassium f-butylate (1.1 equiv.) was added. The mixture was 30 min. stirred at room temperature and then treated with the optionally substituted 2-fluoro-benzonitrile (1 equiv.). The reaction mixture was heated to 50 0 C and stirred for 1 h at this temperature. After cooling, the reaction mixture was added to a mixture (1, 8 ml / mmol Acethydroxamklare) from equal volumes of saturated NaCl solution and ethyl acetate and stirred well for 30 min.
- the phases were separated and the aqueous phase was extracted 3 times with ethyl acetate (in each case 0.8 ml / mmol of acethydroxamic acid).
- the organic phases were combined and washed 3 times with saturated NaCl solution (in each case 0.8 ml / mmol of acethydroxamic acid) and then dried over magnesium sulfate.
- the magnesium sulfate was filtered off and the filtrate was concentrated first on a rotary evaporator and then on the oil pump.
- aryl or heteroaryl radical which may be condensed with a mono- or polycyclic ring system and attached via a linear or branched alkylene group.
- solution I 100 .mu.mol of benzisoxazole solution
- solution II 100 .mu.mol of the corresponding aldehyde
- solution III 0.1 M triethylsilane in DCM, 0.25 M trifluoroacetic acid in DCM, 1, 2 ml
- the threaded glass was sealed with a septum cap, and the reaction solution 16h under reflux at 60 ° C in stirred. Subsequently, the reaction solution was brought to RT and treated with 1, 5 ml of 7% NaCO 3 solution adjusted alkaline and 30 min. mixed. The stir bar was filtered off and the vessel rinsed with 1.5 ml DCM.
- the organic phase was taken off and collected.
- the aqueous phase was mixed with 2 ml DCM, vortexed and 15 min. intensely mixed. After centrifugation, the organic phases were separated and the first fraction united. The aqueous phase was extracted analogously a second time with DCM. Subsequently, the combined organic phases were dried over a MgS ⁇ 4 cartridge and concentrated in the GeneVac. The purification was carried out by means of HPLC.
- the suspension was briefly swelled and poured directly over a 0.45 .mu.m GHP filter Funnel.
- the test tube was rinsed with 7.5 ml DCM and then the suspension was filtered off in the filter funnel with the aid of compressed air.
- the clear organic phase was concentrated in Gene-Vac. The purification was carried out by HPLC.
- KCNQ2 / 3-expressing CHO-K1 cells or CHO-K1 strain strain cells were seeded on coated poly-D-lysine plates black / clear (Falcon / BD, order number: 356640). in a concentration of 20000 cells / 1 OO ⁇ l MEM alpha, 50 ml FCS, 5.5 ml P / S / G Solution (100x) and subsequent incubation for 20 - 24 h in the incubator (37 ° C, 5% CO 2 ).
- the HBSS / Hepes working solution and the FMP / HBSS / Hepes mixture are prepared according to the following scheme:
- test substances Stock solution 2 mM in 100% DMSO
- Drugplates Costar 96 well plates, Cat No. 3795
- dilution of the test substances is carried out by addition of HBSS / Hepes buffer to a concentration of 30 ⁇ M (concentrated 3 ⁇ ).
- the cell-covered assay plates are washed once with 200 ⁇ l of HBSS / Hepes (Cellwash Washer, Labsystems, cat # 5161550) and residual volumes are removed by tapping the inverted plate twice. Subsequently, the cell plates are each mixed with 100 ⁇ l of the FMP / HBSS / Hepes working solution and incubated for 1 h in a CO 2 incubator at 37 ° C. and 5% CO 2 .
- the measurement is performed on the FLIPR III instrument from Molecular Devices (96 format, using the 540-590 nm bandpass filter in the # 2 localization).
- the experimental setup of the FLIPR software is to select Filter # 2.
- the cell plates are placed alternately with the substance plates in the input stacker. From the cell plates, a signal test is carried out in each case before substance addition.
- the addition of the test substances (addition volume 50 ⁇ l, 3 ⁇ concentrated, final concentration 10 ⁇ M) into the cell plate cavities to a total volume of 150 ⁇ l / well is then carried out by the pipetting unit of the FLIPR.
- the key data of the FLIPR program are:
- EC50 / IC50 values are calculated using the Graph Päd Prism software.
- the retigabine (10 ⁇ M) induced current increase at -40 mV was first registered as a positive control. After complete washing out of the retigabine effect (duration: 80 s), the test substance (10 ⁇ M) was applied. The increase in current induced by the test substance was normalized to the retigabine effect and reported as relative efficacy (see below).
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PL06753695T PL1881967T3 (pl) | 2005-05-18 | 2006-05-18 | Podstawione benzo[d]izoksazol-3-iloaminy jako środki przeciwbólowe |
SI200630725T SI1881967T1 (sl) | 2005-05-18 | 2006-05-18 | Substituirane benzo(d)izoksazol-3-il-aminske spojine kot analgetiki |
CY20101100664T CY1110209T1 (el) | 2005-05-18 | 2010-07-15 | Υποκατεστημενες ενωσεις βενζο(d)ισοξαζολ-3-υλ-αμινης σαν αναλγητικα |
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DE102005023589 | 2005-05-18 | ||
DE102005038947A DE102005038947A1 (de) | 2005-05-18 | 2005-08-16 | Substituierte Benzo[d]isoxazol-3-yl-amin-Verbindungen und deren Verwendung in Arzneimitteln |
PCT/EP2006/004700 WO2006122800A1 (fr) | 2005-05-18 | 2006-05-18 | Composes benzo(d)isoaxol-3-yl-amine substitues utilises comme analgesiques |
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EP06742972A Not-in-force EP1888541B1 (fr) | 2005-05-18 | 2006-05-18 | Composes benzo(d)isoxazol-3-yl-amine et leurs utilisations comme ligands recepteurs vanilloides |
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DE102005038947A1 (de) * | 2005-05-18 | 2006-11-30 | Grünenthal GmbH | Substituierte Benzo[d]isoxazol-3-yl-amin-Verbindungen und deren Verwendung in Arzneimitteln |
US20100080773A1 (en) | 2008-09-26 | 2010-04-01 | Sdg, Inc. | Orally Bioavailable Lipid-Based Constructs |
US8557872B2 (en) | 2008-01-28 | 2013-10-15 | Amorepacific Corporation | Compounds, isomer thereof, or pharmaceutically acceptable salts thereof as vanilloid receptor antagonist; and pharmaceutical compositions containing the same |
CN102137851B (zh) | 2008-07-02 | 2014-08-27 | 株式会社爱茉莉太平洋 | 作为香草素受体拮抗剂的化合物、其异构体或其药学可接受的盐以及包含它们的药物组合物 |
US8349852B2 (en) | 2009-01-13 | 2013-01-08 | Novartis Ag | Quinazolinone derivatives useful as vanilloid antagonists |
TWI504395B (zh) | 2009-03-10 | 2015-10-21 | Substituted 3-amino-2-mercaptoquinoline as a KCNQ2 / 3 modifier | |
AU2010223555A1 (en) * | 2009-03-10 | 2011-11-03 | Grünenthal GmbH | Substituted 3-aminoisoxazolopyridines as KCNQ2/3 modulators |
TW201038565A (en) | 2009-03-12 | 2010-11-01 | Gruenenthal Gmbh | Substituted 2-mercapto-3-aminopyridines as KCNQ2/3 modulators |
TWI461197B (zh) | 2009-03-12 | 2014-11-21 | 2-mercaptoquinoline-3-carboxamide as a KCNQ2 / 3 modifier | |
EP2531510B1 (fr) | 2010-02-01 | 2014-07-23 | Novartis AG | Dérivés de pyrazolo[5,1-b]utilisés en tant qu'antagonistes du récepteur de crf-1 |
WO2011092293A2 (fr) | 2010-02-01 | 2011-08-04 | Novartis Ag | Dérivés de cyclohexylamide utilisés en tant qu'antagonistes du récepteur du crf |
US8835444B2 (en) | 2010-02-02 | 2014-09-16 | Novartis Ag | Cyclohexyl amide derivatives as CRF receptor antagonists |
KR20120120416A (ko) | 2010-02-11 | 2012-11-01 | 벤더르빌트 유니버시티 | Mglur4 알로스테릭 강화제로서 벤즈이속사졸 및 아자벤즈이속사졸, 조성물, 및 신경 기능이상을 치료하는 방법 |
NZ604745A (en) | 2010-08-27 | 2015-01-30 | Gruenenthal Chemie | Substituted 2-oxy-quinoline-3-carboxamides as kcnq2/3 modulators |
EP2609086B1 (fr) | 2010-08-27 | 2015-02-25 | Grünenthal GmbH | 2-oxo- et 2-thioxo-dihydroquinoléine-3-carboxamides substitués comme modulateurs de kcnq2/3 |
US8470852B2 (en) | 2010-08-27 | 2013-06-25 | Gruenenthal Gmbh | Substituted 2-amino-quinoline-3-carboxamides as KCNQ2/3 modulators |
MX2013002295A (es) | 2010-09-01 | 2013-05-09 | Gruenenthal Gmbh | 1-oxo-dihidroisoquinolin-3-carboxamidas sustituidas como moduladores de kcnq2/3. |
EP2773641B1 (fr) | 2011-10-31 | 2017-09-27 | Xenon Pharmaceuticals Inc. | Biaryléthersulfonamides et leur utilisation en tant qu'agents thérapeutiques |
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- 2006-05-18 CA CA002608773A patent/CA2608773A1/fr not_active Abandoned
- 2006-05-18 DK DK06753695.3T patent/DK1881967T3/da active
- 2006-05-18 JP JP2008511637A patent/JP2008540597A/ja not_active Ceased
- 2006-05-18 SI SI200630725T patent/SI1881967T1/sl unknown
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- 2006-05-18 RU RU2007146385/04A patent/RU2416607C2/ru not_active IP Right Cessation
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- 2006-05-18 WO PCT/EP2006/004700 patent/WO2006122800A1/fr active Application Filing
- 2006-05-18 AU AU2006249065A patent/AU2006249065B2/en not_active Ceased
- 2006-05-18 WO PCT/EP2006/004698 patent/WO2006122799A1/fr active Application Filing
- 2006-05-18 JP JP2008511638A patent/JP2008540598A/ja not_active Ceased
- 2006-05-18 DE DE502006006854T patent/DE502006006854D1/de active Active
- 2006-05-18 DE DE502006004453T patent/DE502006004453D1/de active Active
- 2006-05-18 DK DK06742972T patent/DK1888541T3/da active
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